package com.qfedu.buy.server.service.intf;

import com.qfedu.buy.common.dto.GoodsSkuDetailDto;
import com.qfedu.buy.common.vo.R;

/**
 * @program: NeighborBuy
 * @description:
 * @author: Feri(邢朋辉)
 * @create: 2021-02-04 09:40
 */
public interface GoodsSkuService {
    //查询sku详情
    GoodsSkuDetailDto queryById(int id);
    //扣减库存
    int changeStore(int id,int num);
}
